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Ages Eligible for Study:

18 Years and older (Adult, Senior)

Sexes Eligible for Study:

All

Accepts Healthy Volunteers:

No

Criteria

Inclusion Criteria:

Age 18 years or older

Signed Patient Informed Consent Form

Able and willing to comply with all pre-, post-, and follow-up testing and requirements

Failure of at least one anti-arrhythmic medication (AAD) for paroxysmal atrial fibrillation* [class I or III, or AV nodal blocking agents such as beta blockers (BB) and calcium channel blockers (CCB)] as evidenced by recurrent symptomatic paroxysmal atrial fibrillation*, or intolerable side effects due to AAD

Coronary artery bypass grafting (CABG) procedure within the last six months

Awaiting cardiac transplantation or other cardiac surgery within the next 12 months

Left atrial thrombus

History of a documented thromboembolic event within the past one (1) year

Diagnosed atrial myxoma

An implanted implantable cardioverter defibrillator (ICD)

Significant pulmonary disease, (e.g. restrictive pulmonary disease, constrictive or chronic obstructive pulmonary disease) or any other disease or malfunction of the lungs or respiratory system that produces chronic symptoms

Significant congenital anomaly or medical problem that in the opinion of the investigator would preclude enrollment in this study

Women who are pregnant (by history of menstrual period or pregnancy test if the history is considered unreliable)